Thousands run Boston Marathon's final mile

Thousands of athletes have joined victims of the Boston Marathon bombings to run and walk the last mile of the race, reclaiming the triumph of crossing the finish line.

About 3,000 runners and bombing victims gathered in light rain Saturday morning to run the final mile of the world's oldest annual marathon. The event, known as OneRun, begun at Kenmore Square and ended at the official finish line.

Explosions near the finish line killed three people and wounded more than 260 on April 15.